Tempo:
right angles to supports. Where the face grain is installed parallel to supports, the minimum thickness is 8 mm (5⁄16 in.) and 11 mm (7⁄16 in.) for studs spaced at 400 mm (16 in.) and 600 mm (24 in.), respectively. Cut edges should be protected with a suitable paint or sealer before installation. A 2 to 3 mm (1⁄8 in.) space between the sides and ends of the panels and butted ends of the battens will permit expansion without bulging. Fill vertical joints with caulking or cover them with battens. Flash horizontal joints or lap them at least 25 mm (1 in.). The edges of plywood panels should be supported and fastened with corrosion-resistant nails, usually 51 mm (2 in.) long. Space the nails not more than 150 mm (6 in.) along the edges and 300 mm (12 in.) at intermediate supports.
Hardboard Panels Hardboard is also produced in sheets with a variety of finishes and may be applied over sheathing or to unsheathed walls if a rainscreen is not required. The minimum thickness of sheets should be at least 6 mm (1⁄4 in.) for supports that are not more than 400 mm (16 in.) on centre. Fasten the panels to framing members or sheathing with corrosion-resistant
nails at least 51 mm (2 in.) long spaced not more than 150 mm (6 in.) along the edges and 300 mm (12 in.) along intermediate supports. Provide a 2 to 3 mm (1⁄8 in.) gap between panels.
Fibre Cement Board Siding Fibre cement is a composite material made of sand, cement and cellulose fibres. In appearance, fibre cement siding most often consists of overlapping horizontal boards, resembling wood siding or shingles, and should be installed in accordance with manufacturer’s directions.
Corner Treatment for Siding There are several methods used for siding at corners (Figure 112). For siding applied horizontally, mitred corners and metal corners or corner boards are common. Mitred corners must fit tightly and smoothly for the full depth of the mitre. To maintain a tight fit at the mitre, purchase dry siding and protect it from rain during storage. The siding can be set in putty or sealant to obtain a tight joint. At interior corners, siding is usually butted against a corner strip of 25 or 38 mm (1 or 11⁄2 in. nominal) material, depending on the thickness of the siding.
112 Outside corner treatment of wood siding Corner boards
Mitred corner
Metal corners
corner boards siding
Hardboard Panels Hardboard is also produced in sheets with a variety of finishes and may be applied over sheathing or to unsheathed walls if a rainscreen is not required. The minimum thickness of sheets should be at least 6 mm (1⁄4 in.) for supports that are not more than 400 mm (16 in.) on centre. Fasten the panels to framing members or sheathing with corrosion-resistant
nails at least 51 mm (2 in.) long spaced not more than 150 mm (6 in.) along the edges and 300 mm (12 in.) along intermediate supports. Provide a 2 to 3 mm (1⁄8 in.) gap between panels.
Fibre Cement Board Siding Fibre cement is a composite material made of sand, cement and cellulose fibres. In appearance, fibre cement siding most often consists of overlapping horizontal boards, resembling wood siding or shingles, and should be installed in accordance with manufacturer’s directions.
Corner Treatment for Siding There are several methods used for siding at corners (Figure 112). For siding applied horizontally, mitred corners and metal corners or corner boards are common. Mitred corners must fit tightly and smoothly for the full depth of the mitre. To maintain a tight fit at the mitre, purchase dry siding and protect it from rain during storage. The siding can be set in putty or sealant to obtain a tight joint. At interior corners, siding is usually butted against a corner strip of 25 or 38 mm (1 or 11⁄2 in. nominal) material, depending on the thickness of the siding.
112 Outside corner treatment of wood siding Corner boards
Mitred corner
Metal corners
corner boards siding
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